Belloso is a surname. Notable people with the surname include:
Ariel Belloso (born 1967), Argentine DJ and record producer also known as Ariel Carlos Belloso (born 1963), Argentine actor Gonzalo Belloso (born 1974), Argentine footballer José Alfonso Belloso y Sánchez (1873–1938), Salvadoran bishop Olga Martín-Belloso (born 1960), Spanish scientist Ramón Belloso (1810–1858), Salvadoran military man
See also Los Bellosos Universidad Rafael Belloso Chacín